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CDC - Mobile Water Supply Solution Solved 100- Passed!!
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CDC - Mobile Water Supply Solution Solved 100- Passed!!
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CDC - Mobile Water SupplySolution Solved 100% Passed!!
How many inches of mercury should the priming device and pump achieve?
Answer: 22 inches
Explain the priming device test. Answer: Evaluates how quickly a priming
device can create the necessary vacuum to bring water through a pump to the
discharge hose.
According to what NFPA, how much water must an apparatus carry to be
considered a MWS or Tender? Answer: NFPA 1901 Standard for Automotive
Fire Apparatus,
At least 1,000 gallons.
Most MWS apparatuses in use today carry, how many gallons of water? Answer:
Between 1,500 and 3,000 gallons of water.
Each department must choose the size of the tank for its apparatus based on
what? Answer: Local water requirements
Water system limitations
Road conditions
Bridge weight restrictions
What size water tanks are the most efficient during water shuttle operations?
Answer: MWS with tanks less than 2,500 gallons.
,What size water tanks are the most efficient during stationary water supply
operations? Answer: MWS with tanks for the 2,500 gallons.
What three external fill connections can be equipped on the MWS apparatus?
Answer: 1. Allows the tank to be filled at a min rate of 1,000 gals/min.
2. Equipped with a valve, strainer, and a 30 degree elbow.
3. Has Valves of slow-closing design (if three inches or larger).
Where should the tank discharge be located on the MWS apparatus? Answer:
On the left, right, and rear of the apparatus.
The tank discharge should be capable of discharging how much of the tank
volume at what rate? Answer: 90% of the tank volume at an average of 1,000
gpm.
Medium diameter hose supply lines are used for filling then... Answer: the
MWS should have at least two external or direct tank fill intakes piped directly to
the tank.
Large diameter hose is used then... Answer: one connection to the tank is
adequate.
If the MWS apparatus is equipped with a FIRE PUMP, it may be referred to as a...
and must have a tank-to-pump line that is: Answer: Tanker-pumper or a
tender-pumper.
, 1. Capable of supplying the pump with a 500 gpm until at least 80% of the water
in the tank is emptied.
2. At least two inches diameter.
The large tank discharge is commonly referred to as: Answer: Dump valve
What NFPA requires three dump valves to be installed on all MWS apparatus?
Answer: NFPA 1901
As you move around the apparatus, what general problems are you looking for?
Answer: Fluid leaks, dents, low tire pressure, cleanliness, and broken, or
missing equipment.
When looking at the body panel, what should you be looking for? Answer:
Looking for rust, dents, or exposed areas needing touch-up paint.
When looking at the windows and exterior lights, what should you be looking for?
Answer: Looking for cracks and discoloration.
When looking at the circuit breakers and/or fuses what should you be looking for?
Answer: Looking at the main panel to see if any circuits are tripped or if any
fuses are blown.
Engine compartment: Engine oil Answer: Check whether engine oil is clean
and at full mark.
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